TABLE OF CONTENTS 



Page 



UST OF TABLES iii 



LIST OF FIGURES iv 



EXECUTIVE SUMMARY vii 



1.0 INTRODUCTION 1 



LI NL-91 and D/S Mound Complex 3 



1.2 SeawolfMovmd 5 



1.3 USCGA Mound 5 



1.4 Objectives and Predictions 5 



2.0 METHODS 7 



2.1 NLDS Survey Areas 7 



2.2 Navigation 7 



2.3 Bathymetric Data Acquisition and Analysis 10 



2.3.1 Bathymetric Data Acquisition 10 



2.3.2 Bathymetric Data Processing 10 



2.3.3 Bathymetric Data Analysis 11 



2.4 REMOTS® Sediment-Profile Photography 11 



3.0 RESULTS 15 



3.1 NL-91 and D/S Mound Complex 15 



3.1.1 Bathymetry 15 



3.1.2 REMOTS® Sediment-Profile Photography 15 



3.2 Seawolf Disposal Mound 27 



3.2.1 Bathymetry 27 



3.2.2 REMOTS® Sediment-Profile Photography 27 



3.3 USCGA Mound 38 



3.4 Reference Areas 43 



4.0 DISCUSSION 45 



4.1 NL-91 and D/S Mound Complex 45 



4.2 Seawolf Mound 51 



4.3 USCGA Mound 57 



5.0 CONCLUSIONS 61 



6.0 REFERENCES 62 



APPENDICES 



